Bomb Threat at Columbine High School Triggers 24 School Lockdowns

Update: Officials gave the all-clear
December 13, 2018 Updated: December 14, 2018
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UPDATE at 3 p.m.  ET: The all-clear was given for Jefferson County schools, say local reports.

Reports say that dozens of bomb threats have been emailed to schools, businesses, government officials, and media outlets around the United States on Dec. 12. It’s not clear if Jefferson County schools were included.

Several police departments have confirmed the threats.

Earlier article: Nearly two-dozen Jefferson County, Colorado, schools were placed on lockdown on Dec. 12 after a threat was reported at Columbine High School, the Jefferson County Sheriff’s Office told local news outlets.

KDVR reported that a few hours later, the all-clear was given. But at 9:20 a.m., someone made a threat and said there were explosives at Columbine—the site of one of the most notorious school shootings in U.S. history.

The sheriff’s office said nothing was found to validate the bomb threat.

Some 23 schools were placed on lockdown, Jefferson County Public Schools told CBS Denver. It means that students can only stay inside classrooms and entry is highly restricted.

School officials tweeted parents couldn’t pick up their kids until they were released at 2:45 p.m. local time.

“Unfortunately, we receive many threats like this to Columbine,” Mike Taplin with the sheriff’s office said. “We respond to each threat appropriately, which is what we’re doing now.”

“The person claimed to be outside hiding with a gun,” he told the Denver Channel. “The perimeter was searched and secured. No one was found.”

The sheriff’s office is investigating the matter.

“We received a phone call with a threat of multiple explosive devices inside the school here. The person claimed to be hiding outside with a gun. The perimeter was searched and secured. No one was found,” Taplin told CBS Denver.“So far we’ve not found anything to validate the threats that have been made.”

Helicopter footage showed police cars at Columbine High School and at nearby Clement Park, where there is a memorial to the 13 people who were shot and killed in 1999.